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Should I use alias or alias_method?
...ample given in that blog post, I simply want to alias a method to another within the same class. Which should I use? I always see alias used, but someone told me alias_method is better.
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How to access component methods from “outside” in ReactJS?
...n’t I access the component methods from “outside” in ReactJS? Why is it not possible and is there any way to solve it?
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Rank function in MySQL
...ding ANSI standard SQL query for my requirement. Please help me to convert it to MySQL .
11 Answers
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How to print a percentage value in python?
...gt; 1 / 3
0.3333333333333333
# The above 33% example would could now be written without the explicit
# float conversion:
>>> print "{0:.0f}%".format(1/3 * 100)
33%
# Or even shorter using the format mini language:
>>> print "{:.0%}".format(1/3)
33%
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Number of elements in a javascript object
...the number of elements in a javascript object?? (i.e. constant-time complexity).
6 Answers
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What's the scope of a variable initialized in an if statement?
...gned inside an if is still scoped to a function, class, or module.
(Implicit functions defined by a generator expression or list/set/dict comprehension do count, as do lambda expressions. You can't stuff an assignment statement into any of those, but lambda parameters and for clause targets are imp...
How to test code dependent on environment variables using JUnit?
...ode depends on the value of this variable. I would like to test this code with different values of the environment variable. How can I do this in JUnit?
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How to redirect 404 errors to a page in ExpressJS?
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I found this example quite helpful:
https://github.com/visionmedia/express/blob/master/examples/error-pages/index.js
So it is actually this part:
// "app.router" positions our routes
// above the middleware defined below,
// this means that Expr...
How do I parallelize a simple Python loop?
...follow
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edited Jun 17 '15 at 17:14
user124384
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How to call a stored procedure from Java and JPA
I am writing a simple web application to call a stored procedure and retrieve some data.
Its a very simple application, which interacts with client's database. We pass employee id and company id and the stored procedure will return employee details.
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